Photochromic inks

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United States of America Patent

PATENT NO 9738825
APP PUB NO 20160068746A1
SERIAL NO

14941306

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Abstract

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Metal deco ink formulations are improved by the use of fluorescent dyes, UV-absorbing dyes and/or IR-absorbing dyes. These may be premixed with a phenol-formaldehyde resin without microencapsulation to protect the dye from other ink ingredients that have chemistries which are incompatible with that of the dye, in order to obtain photochromic ink formulation with a good shelf life.

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Patent Owner(s)

Patent OwnerAddress
CHROMATIC TECHNOLOGIES INCCOLORADO SPRINGS CO

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cathie, Eric Colorado Springs, US 2 22
Fletcher, Kristin A Colorado Springs, US 4 88
Owen, Timothy J Colorado Springs, US 39 316

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